Self-alarming oil-immersed transformer

By introducing regulating components and sensor systems into the oil-immersed transformer, the problem of pressure fluctuations in the oil conservator caused by the thermal expansion and contraction of insulating oil was solved, achieving stable pressure regulation and timely alarm, thus ensuring the safe operation of the transformer.

CN224417598UActive Publication Date: 2026-06-26HUAWAN CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUAWAN CO LTD
Filing Date
2025-06-10
Publication Date
2026-06-26

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Abstract

The utility model provides automatic alarm oil -immersed transformer belongs to oil -immersed transformer technical field, include: transformer body, oil conservancy tank sets up on the transformer body, the connecting pipe one end intercommunication setting on the oil conservancy tank, other end with the transformer body intercommunication, adjusting assembly sets up on the oil conservancy tank for adjusting internal pressure and filtering air, the utility model discloses a adjusting assembly is set up, under normal operating condition, air can enter and discharge oil conservancy tank through the access column, keeps internal pressure stable, when internal pressure exceeds preset threshold value, the increased air current pushes the blocking cap to move upward, opens the connecting column to release the pressure in excess, until the pressure returns to normal, the blocking cap falls down and closes the connecting column automatically because of gravity, reseals the connecting column, prevented the damage or leakage of oil conservancy tank because of pressure too big, realized the pressure balance regulation between transformer body and oil conservancy tank.
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